/Engine/Source/Runtime/Engine/Public/AudioDevice.h
Sets a submix effect chain override for the given submix
virtual void SetSubmixEffectChainOverride ( [USoundSubmix](API\Runtime\Engine\Sound\USoundSubmix) * InSoundSubmix, const [TArray](API\Runtime\Core\Containers\TArray)< FSoundEffectSubmixPtr > & InSubmixEffectChain, float InCrossfadeTime )